{"note":"bim_versions 導入後の保存のみ記録 (それ以前は bim_canonical 上書きで履歴なし)","ok":true,"slug":"u-budomari-ce6sj4zt","versions":[{"created_at":"2026-06-04T16:59:24Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"dc29670af1b5f50a316bf9ef6e9a940877074be56c15f43249b7d47681f511e8","version":11},{"created_at":"2026-06-04T05:53:21Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.4 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"1967aa551bbc1201d3de2719ad0ef4a3133a3c1eec6fde71138c70f862f23403","version":10},{"created_at":"2026-06-04T04:58:48Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 39.1→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"f865562e3a029cfbf511a954c8bc61fd1050efe89e5bb553c5e119b0eedf89c9","version":9},{"created_at":"2026-06-04T04:58:48Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e34d34e52da26ad03f7fc5b94729fe44c53d0dbd8be8a8668b1e12fb7b5b6c41","version":8}]}